#region Apache License
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with 
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion


namespace log4net.Core
{
    /// <summary>
    /// Interface used to delay activate a configured object.
    /// </summary>
    /// <remarks>
    /// <para>
    /// This allows an object to defer activation of its options until all
    /// options have been set. This is required for components which have
    /// related options that remain ambiguous until all are set.
    /// </para>
    /// <para>
    /// If a component implements this interface then the <see cref="ActivateOptions"/> method 
    /// must be called by the container after its all the configured properties have been set 
    /// and before the component can be used.
    /// </para>
    /// </remarks>
    /// <author>Nicko Cadell</author>
    public interface IOptionHandler
    {
        /// <summary>
        /// Activate the options that were previously set with calls to properties.
        /// </summary>
        /// <remarks>
        /// <para>
        /// This allows an object to defer activation of its options until all
        /// options have been set. This is required for components which have
        /// related options that remain ambiguous until all are set.
        /// </para>
        /// <para>
        /// If a component implements this interface then this method must be called
        /// after its properties have been set before the component can be used.
        /// </para>
        /// </remarks>
        void ActivateOptions();
    }
}
